56722888945 has 8 divisors (see below), whose sum is σ = 68364705960. Its totient is φ = 45180151680.

The previous prime is 56722888939. The next prime is 56722888951. The reversal of 56722888945 is 54988822765.

It is an interprime number because it is at equal distance from previous prime (56722888939) and next prime (56722888951).

It can be written as a sum of positive squares in 4 ways, for example, as 6112737856 + 50610151089 = 78184^2 + 224967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56722888945 - 2⁵ = 56722888913 is a prime.

It is a super-2 number, since 2×56722888945² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24768676 + ... + 24770965.

It is an arithmetic number, because the mean of its divisors is an integer number (8545588245).

Almost surely, 2^56722888945 is an apocalyptic number.

It is an amenable number.

56722888945 is a deficient number, since it is larger than the sum of its proper divisors (11641817015).

56722888945 is a wasteful number, since it uses less digits than its factorization.

56722888945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49539875.

The product of its digits is 77414400, while the sum is 64.

The spelling of 56722888945 in words is "fifty-six billion, seven hundred twenty-two million, eight hundred eighty-eight thousand, nine hundred forty-five".